Table 2.
Results of antifungal, antibacterial and nematicidal activity of 38 coumarin derivatives. (a inhibition rate %, 48 h after inoculation at the concentration 0.08 μmol/mL; b minimum inhibitory concentration (MIC/μg mL−1); c percentage corrected mortality, %, 48 h after inoculation at the concentration 500 μg/mL).
| Antifungal Activity a | Antibacterial Activity b | Nematicidal Activity c | ||||||
|---|---|---|---|---|---|---|---|---|
| No. mol | Macrophomina phaseolina | Sclerotinia sclerotiorum | Fusarium oxysporum f. sp. lycopersici | F. culmorum | Bacillus mycoides | Bradhrizobium japonicum | Heterorhabditis bacteriophora | Steinernema feltiae |
| 1 | 53.63 | 73.09 | −3.64 | −9.53 | >512 | >512 | 8.00 | 10.00 |
| 2 | 57.67 | 39.62 | 1.21 | −8.67 | >512 | >512 | 29.75 | 18.75 |
| 3 | 53.63 | 64.89 | 4.85 | −7.80 | >512 | >512 | 0.00 | 0.00 |
| 4 | 56.52 | 77.87 | 1.21 | −0.87 | >512 | >512 | 0.00 | 3.75 |
| 5 | 64.01 | 76.50 | −6.07 | −6.07 | >512 | 64 | 0.00 | 0.00 |
| 6 | 66.32 | 82.65 | 14.56 | 26.86 | >512 | >512 | 31.25 | 20.75 |
| 7 | 65.74 | 84.02 | 10.92 | 13.86 | >512 | 512 | 0.00 | 0.00 |
| 8 | 66.32 | 84.70 | 13.35 | 6.93 | >512 | >512 | 0.00 | 0.00 |
| 9 | 74.39 | 84.70 | 13.35 | 10.40 | >512 | 512 | 0.00 | 0.00 |
| 10 | 72.09 | 64.89 | 19.42 | 13.86 | >512 | >512 | 56.75 | 64.00 |
| 11 | 53.06 | 51.91 | 6.07 | −6.93 | >512 | >512 | 0.00 | 4.25 |
| 12 | 69.78 | 59.43 | −7.28 | −27.73 | >512 | >512 | 24.75 | 21.00 |
| 13 | 24.80 | 67.62 | −6.07 | −32.93 | >512 | >512 | 0.00 | 0.00 |
| 14 | 55.94 | 81.97 | −10.92 | −4.33 | >512 | 512 | 0.00 | 0.00 |
| 15 | 59.98 | 76.50 | 0.00 | −6.93 | >512 | 512 | 0.00 | 2.00 |
| 16 | 61.71 | 43.72 | 27.91 | 30.33 | >512 | >512 | 0.00 | 0.00 |
| 17 | 61.71 | 38.93 | 23.06 | 26.00 | >512 | >512 | 8.75 | 14.75 |
| 18 | 59.98 | 27.32 | 27.91 | 9.53 | >512 | >512 | 0.00 | 0.00 |
| 19 | 69.78 | 54.64 | 32.77 | 13.00 | 512 | >512 | 20.75 | 11.25 |
| 20 | 65.74 | 4.78 | 29.13 | −3.47 | 512 | >512 | 5.50 | 17.00 |
| 21 | 74.97 | 40.98 | 40.05 | 26.00 | >512 | >512 | 13.00 | 22.50 |
| 22 | 70.36 | 43.72 | 29.13 | 33.80 | >512 | >512 | 0.00 | 0.00 |
| 23 | 83.62 | −15.03 | 27.91 | −9.53 | >512 | >512 | 0.00 | 2.75 |
| 24 | 80.16 | 55.33 | 64.32 | 70.19 | >512 | >512 | 44.50 | 43.00 |
| 25 | 74.39 | 54.64 | 66.75 | 62.39 | >512 | >512 | 0.00 | 1.25 |
| 26 | 72.66 | 23.91 | 40.05 | 45.06 | 512 | >512 | 12.00 | 14.25 |
| 27 | 75.55 | 61.48 | 71.60 | 63.26 | 512 | 512 | 0.00 | 0.00 |
| 28 | 76.12 | 79.92 | 65.53 | 65.86 | >512 | >512 | 0.00 | 0.00 |
| 29 | 77.28 | 66.26 | 65.53 | 70.19 | >512 | >512 | 0.00 | 0.00 |
| 30 | 70.93 | −7.51 | 20.63 | −17.33 | >512 | >512 | 0.00 | 0.00 |
| 31 | 69.20 | 0.68 | 32.77 | −1.73 | >512 | >512 | 0.00 | 0.00 |
| 32 | 79.58 | −4.10 | 24.27 | −11.27 | >512 | >512 | 17.50 | 10.50 |
| 33 | 68.63 | 6.83 | 27.91 | −10.40 | >512 | >512 | 0.00 | 10.50 |
| 34 | 66.90 | −15.71 | 27.91 | −10.40 | >512 | >512 | 16.50 | 40.25 |
| 35 | 78.43 | −26.64 | 35.19 | 6.93 | >512 | >512 | 0.00 | 0.00 |
| 36 | 79.01 | 51.91 | 44.90 | 23.40 | >512 | >512 | 0.00 | 9.00 |
| 37 | 64.01 | 13.66 | 31.55 | 0.00 | >512 | >512 | 0.00 | 4.75 |
| 38 | 80.16 | 10.25 | 35.19 | 1.73 | >512 | >512 | 0.00 | 0.00 |
| control | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |